public string Save(City aCity)
{
if (nCityGateway.GetCountryCityNameIsExist(aCity.CityName))
{
return("<strong>Warning!</strong> City: '" + aCity.CityName + "' already exist.");
}
else
{
if (nCityGateway.CitySave(aCity) > 0)
{
return("<strong>Success!</strong> Save Successfully");
}
return("<strong>Error!</strong> Save Failed");
}
}